LOINC codes
The universal code system for lab observations. Every biomarker on this site is anchored to a LOINC code; a code page says what its parts mean.
By class
435 classes · the 32 with 500 codes or more Microbiology · MICRO 14,888 Chemistry · CHEM 10,855 Drug and toxicology · DRUG/TOX 8,921 Radiology · RAD 7,440 Allergy · ALLERGY 6,024 Challenge tests · CHAL 3,964 Document ontology · DOC.ONTOLOGY 3,759 PhenX measures · PHENX 3,686 Serology · SERO 3,167 Lab orders · LABORDERS.ONTOLOGY 2,546 PROMIS survey · SURVEY.PROMIS 2,463 Hematology and blood count · HEM/BC 2,449 Antibiotic susceptibility · ABXBACT 2,115 Cell markers · CELLMARK 1,746 General health survey · SURVEY.GNHLTH 1,629 Molecular pathology, mutations · MOLPATH.MUT 1,293 Blood bank · BLDBK 1,113 Coagulation · COAG 1,002 CMS survey · SURVEY.CMS 968 History and physical · H&P.HX 901 Pulmonary · PULM 878 PANEL.SURVEY.CMS 866 MDS survey · SURVEY.MDS 864 Cardiac ultrasound · CARD.US 817 Obstetric ultrasound · OB.US 793 Pathology · PATH 707 Molecular pathology · MOLPATH 704 PANEL.PHENX 704 Urinalysis · UA 597 HLA typing · HLA 526 H&P.PX 507 CLIN 502
All codes, by number
109,325 codes · page 489 of 2,187 · by category · by group · panels · answer lists · parts
RF Gastrointestinal tract upper Single view W contrast PO · Radiology 24715-5 RF Guidance for placement of decompression tube in Gastrointestinal tract · Radiology 24716-3 XR Ileal conduit Loopogram · Radiology 24717-1 RF Guidance for transjugular biopsy of Liver-- W contrast IV · Radiology 24718-9 US Groin · Radiology 24719-7 MR Hand · Radiology 24720-5 XR Hand 2 Views · Radiology 24721-3 XR Hand 3 Views · Radiology 24722-1 XR Hand Arthritis · Radiology 24723-9 XR Wrist and Hand Bone age Views · Radiology 24724-7 CT Head · Radiology 24725-4 CT Head WO and W contrast IV · Radiology 24726-2 CT Head W contrast IV · Radiology 24727-0 CT perfusion Head · Radiology 24728-8 CT perfusion Head WO and W contrast IV · Radiology 24729-6 NM Brain Views · Radiology 24730-4 US Head · Radiology 24731-2 US Head during surgery · Radiology 24732-0 US.doppler Head vessels · Radiology 24733-8 CT Cerebral cisterns W contrast IT · Radiology 24734-6 MR Internal auditory canal and Posterior fossa · Radiology 24735-3 MR Internal auditory canal and Posterior fossa WO and W contrast IV · Radiology 24740-3 XR Petrous part of temporal bone Views · Radiology 24745-2 Head Sagittal Sinus MR · Radiology 24746-0 Head Sagittal Sinus MR angiogram W contrast IV · Radiology 24747-8 MR Heart · Radiology 24748-6 NM Heart Views at rest and W Tl-201 IV · Radiology 24750-2 NM Parathyroid gland Views W TI-201 subtraction Tc-99m IV · Radiology 24751-0 RF videography Heart Views · Radiology 24752-8 CT Unspecified body region W contrast IV · Radiology 24753-6 Administration of vasodilator into catheter Vein · DOC.MISC 24754-4 RFA Guidance for atherectomy of Vein-- W contrast IV · Radiology 24755-1 RFA Guidance for placement of stent in Vein · Radiology 24756-9 Coronary arteries CT fast · Radiology 24757-7 US Hip · Radiology 24760-1 XR Hip Single view · Radiology 24761-9 XR Hip Views · Radiology 24762-7 RF Hip Arthrogram · Radiology 24764-3 XR Humerus 2 Views · Radiology 24765-0 RFA Guidance for angioplasty of Iliac artery-- W contrast IA · Radiology 24766-8 XR tomography Internal auditory canal · Radiology 24767-6 CT Guidance for injection of Joint space · Radiology 24769-2 NM Joint Views W In-111 intrajoint · Radiology 24770-0 RF Guidance for arthrocentesis of Joint space · Radiology 24771-8 US Guidance for biopsy of Kidney · Radiology 24772-6 NM Kidney Views W radionuclide transplant scan · Radiology 24773-4 Kidney - bilateral and Collecting system CT · Radiology 24774-2 Kidney - bilateral and Collecting system CT W contrast IV · Radiology 24775-9 NM Kidney Views · Radiology 24776-7 Kidney - bilateral and Collecting system US · Radiology 24777-5